Arm cushion for a crutch



FIG. 1 is a perspective view of an arm cushion for a crutch showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a side elevational view thereof; and

FIG. 6 is a bottom plan view thereof.

The broken line showing of a crutch in FIG. 1 is for illustrative purpose only and does not form any part of the claimed design. 

The ornamental design for an arm cushion for a crutch, as shown and described. 